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destroy virtual documents/models when not being used anymore

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This commit is contained in:
Johannes Rieken
2016-01-11 17:34:36 +01:00
parent b1228e5e59
commit a040433d1f
1 changed files with 25 additions and 2 deletions
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27
src/vs/workbench/api/node/extHostDocuments.ts
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@@ -4,7 +4,7 @@
*--------------------------------------------------------------------------------------------*/
'use strict';
import {toErrorMessage} from 'vs/base/common/errors';
import {toErrorMessage, onUnexpectedError} from 'vs/base/common/errors';
import {IEmitterEvent} from 'vs/base/common/eventEmitter';
import {IModelService} from 'vs/editor/common/services/modelService';
import * as EditorCommon from 'vs/editor/common/editorCommon';
@@ -150,6 +150,10 @@ export class ExtHostModelService {
});
}
$isDocumentReferenced(uri: URI): TPromise<boolean> {
return TPromise.as(this.getDocumentData(uri).isDocumentReferenced);
}
public _acceptModelAdd(initData: IModelAddedData): void {
let data = new ExtHostDocumentData(this._proxy, initData.url, initData.value.lines, initData.value.EOL, initData.modeId, initData.versionId, initData.isDirty);
let key = data.document.uri.toString();
@@ -602,9 +606,28 @@ export class MainThreadDocuments {
}
return this._proxy.$provideTextDocumentContent(uri).then(value => {
// create document from string
const firstLineText = value.substr(0, 1 + value.search(/\r?\n/));
const mode = this._modeService.getOrCreateModeByFilenameOrFirstLine(uri.fsPath, firstLineText);
return this._modelService.createModel(value, mode, uri);
const model = this._modelService.createModel(value, mode, uri);
// if neither the extension host nor an editor reference this
// document anymore we destroy the model to reclaim memory
const handle = setInterval(() => {
this._editorService.inputToType({ resource: uri }).then(input => {
if (!this._editorService.isVisible(input, true)) {
return this._proxy.$isDocumentReferenced(uri).then(referenced => {
if (!referenced) {
clearInterval(handle);
this._modelService.destroyModel(uri);
}
});
}
}, onUnexpectedError);
}, 30 * 1000);
return model;
}).then(() => {
return true;